Monday, November 22, 2010

Analog communication

In this we will discuss what is analog communication.

Analog Communication is a data transmitting technique .It utilizes continuous signals to transmit data such as voice, image, video, electrons etc. An analog signal is a variable signal  which is continuous in both time and amplitude  generally carried by use of modulation.

Here I am also providing you a link on digital communication system.Here you can see the difference between analog and digital communication system.

Analog transmission is not expensive and enables information to be transmitted from point-to-point or from one point to many. Once the data arrives at the receiving end, it is converted back into digital form so that it can be processed by the receiving computer. 

Although analog systems are less expensive in many cases than digital ones for the same application, digital systems provide much more efficiency, better performance and much greater flexibility.  The only parameters of interest in case of analog communication are message bandwidth and amplitude. We can exploit signal structure to achieve a more efficient communication system.


      

      

1 Comments:

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